Brualdi, R. A. (2004). Introductory combinatorics (4th ed.). Pearson/Prentice Hall.
芝加哥风格引文Brualdi, Richard A. Introductory Combinatorics. 4th ed. Upper Saddle River, N.J. ; New Delhi: Pearson/Prentice Hall, 2004.
MLA引文Brualdi, Richard A. Introductory Combinatorics. 4th ed. Pearson/Prentice Hall, 2004.
警告：这些引文格式不一定是100％准确.